ajaxorg/ace — pull request #833 by josh (2012-07-03 18:40:58+00:00)
Title: Restore Emacs up key binding

Broken by 689bed38ffabf99463df94b450db2adb560dcf79

This is shadowing the default emacs cursor up binding.

Doesn't make much sense to support `ctrl-n` (down), `ctrl-b` (left), `ctrl-f` (right) and not up anymore.